Study on Discharge Characteristics of Atmospheric Pressure Plasma Jet with Different Types of Air Sources

SHI Chaoyang; HAO Xiaolong; MIAO Longyu; ZHANG Yibo

doi:10.13296/j.1001-1609.hva.2026.03.022

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Study on Discharge Characteristics of Atmospheric Pressure Plasma Jet with Different Types of Air Sources

Research & Analysis | 更新时间：2026-03-11

- Study on Discharge Characteristics of Atmospheric Pressure Plasma Jet with Different Types of Air Sources
- High Voltage Apparatus Vol. 62, Issue 3, Pages: 183-190(2026)
- 作者机构：
  
  江南大学环境与生态学院，江苏无锡 214122
  江南大学化学与材料工程学院，江苏无锡 214122
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2026.03.022
  CLC：
- Received：25 August 2025，
  
  Revised：2025-10-18，
  
  Published：16 March 2026
- 稿件说明：
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SHI Chaoyang, HAO Xiaolong, MIAO Longyu, et al. Study on Discharge Characteristics of Atmospheric Pressure Plasma Jet with Different Types of Air Sources[J]. High Voltage Apparatus, 2026, 62(3): 183-190.
DOI：

SHI Chaoyang, HAO Xiaolong, MIAO Longyu, et al. Study on Discharge Characteristics of Atmospheric Pressure Plasma Jet with Different Types of Air Sources[J]. High Voltage Apparatus, 2026, 62(3): 183-190. DOI： 10.13296/j.1001-1609.hva.2026.03.022.

摘要

文中研究了典型的同轴射流装置在不同实验条件（气源组分、流速（含雷诺数

分析）、电压和功率）下对大气压等离子体射流特性（主要是射流长度、实际温度和放电启动电压）的影响。结果表明：单气源射流时，电压或流速的增加使射流长度先增加后趋于稳定或下降；施加电压升高会使射流温度上升，流速的增加对氮气和氩气源的射流温度影响不大；氧气源射流的启动电压和功率高于氮气和氩气源。2种气源混合时，O

比例的增加会抑制射流长度，增加启动电压；而N

的加入不会对等离子体射流的长度和温度产生明显影响。随着流速的增加，Ar/O

和N

源的射流长度先增加后趋于稳定，Ar/N

源的则会逐渐增加。3种气体混合时，射流长度随着电压或流速的增加先增加后趋于稳定；而射流温度会随着施加电压的增加先升高后趋于稳定，随着流速的增加而降低；启动电压则会随着氩气比例的减小（或氧气比例的增加）而逐渐增加。因此，不同类型的气源条件对大气压等离子体射流的特性影响较大，在实际应用中应值得关注和重视。

Abstract

In this paper

the effects of a typical coaxial jet device under different experimental conditions (gas source composition

flow rate (including Reynolds number (

) analysis)

voltage and power) on the characteristics of atmospheric plasma jet (APPJ) (mainly jet length

actual temperature and discharge starting voltage) are studied. The results show that in case of single gas source jet the increase of voltage or flow rate causes the jet length to initially increase and then to stablize or decrease. The increas of applied voltage can increase the jet temperature

and the increase of flow rate has little effect on the temperatures of nitrogen and argon source jets. The starting voltage and power of oxygen source jet are higher than those of nitrogen and argon sources. In case of mixture of the two gas sources

the increase of O

ratio can suppress the jet length and increase the starting voltage. While

the addition of N

has no obvious effect on the length and temperature of plasma jet. With the increase of flow rate

the jet lengths of Ar/O

and N

source ars firstly increased and then became stable

and that of Ar/N

source can be gradually increased. In case of the mixture o

f three gas sources

with the increase of voltage or flow rate

the jet length is increased firstly and then is tended to be stable. While

the jet temperature is increased firstly and then tended to be stable with the increase of applied voltage

and is decreased with the increase of the flow rate. The starting voltage can be gradually increased with the decrease of the argon ratio (or the increase of the oxygen ratio). Therefore

the conditions of different types of gas sources have greater influence on the characteristics of APPJ

which should deserve attention and emphasis in practical application.

关键词

Keywords

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